4. Automatic grinding technology, the blade, and mesh will grind each other, without frequent replacement of the head

5. Built-in 600mAh Li-ion battery

7. Double intelligent protections: intelligently monitor the electric quantity, keep low power and reduce steadily when the electric quantity is low, if the blade head is obstructed, it will also be stopped for protection

8. IPX7 waterproof, one button for water washing, support wet and dry dual-use

9. With intelligent travel lock, avoid power consumption by mistake

10. USB quick charging, fully charged in 90 minutes and can be used for 60 minutes at a time